Metamorphic Or Sedimentary Depending On Local Grade

Mica Schist

Mica Schist (predominantly Muscovite/Biotite)

Gneiss (specifically a Granitic Gneiss)

Gneiss (Composition: Quartz, Feldspar, Mica)

Banded Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)

Mica Schist with Iron Staining

Mica Schist

Rhodonite, Gray Moonstone, and White Feldspar Mix

Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Garnet Schist

Almandine-Muscovite Schist

Epidote

Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Marble

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

Anthracite Coal

Anthracite (Carbon-rich Sedimentary-to-Metamorphic Rock)

Sedimentary Breccia

Breccia (Clastic Sedimentary Rock)

Biotite Schist

Biotite Schist (containing K(Mg,Fe)3AlSi3O10(OH)2)

Kyanite

Kyanite (Al2SiO5)

Clear Quartz

Silicon Dioxide (SiO2)

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Pyrite

Iron Sulfide (FeS2)

Banded Gneiss

Gneiss (Metamorphic Rock)

Vesicular Basalt with Opal or Quartz

Vesicular Basalt (Amorphous SiO2.nH2O if Opal)

Staurolite

Staurolite (Fe2+2Al9Si4O23(OH))

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Clear Quartz

Silicon Dioxide (SiO2)

Gneiss

Metamorphic Rock (Gneissic texture)

Quartz

Quartz (SiO2)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Calcite

Calcite (Mineral; CaCO₃)

Banded Chert (Jasper)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Garnet Schist or Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Banded Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica)

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Banded Slate (Lithified Mudstone)

Low-grade Metamorphosed Mudstone / Slate

Gneiss

Gneiss (High-grade regional metamorphic rock)

Shale or Argillite

Shale (sedimentary) / Argillite (metamorphic)

Garnet in Schist (Garnetiferous Micaceous Schist)

Almandine Garnet, Fe3Al2(SiO4)3

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Pink Gneiss / Pink Granite Gneiss

Felsic Gneiss (dominated by Orthoclase Feldspar and Quartz)

Anthracite Coal

Anthracite (Carbon-rich metamorphic rock)

Granitic Gneiss

Gneiss (Complex silicate composition)

Gneiss

Gneiss

Clear Quartz

Silicon Dioxide (SiO2)